Microsoft Word - blank.doc

Unit 30 C

Cell Division,

Genetics, and

Molecular

Biology

ARE YOU READY?

554 Unit 30 C NEL

These questions will help you find out what you already know, and what you need to

review, before you continue with this unit.

Knowledge

1. Identify the cell structures shown in Figure 1and explain the importance
   or function of each.

Concepts

• DNA, genes, chromosomes


• sexual reproduction


• asexual reproduction


• adaptations and variations


• traits


• nature versus nurture

Skills

• relate biological diversity to
  genetic diversity


• probability

You can review prerequisite

concepts and skills on the

Nelson Web site and in the

Appendices.

A Unit Pre-Test is also

available online.

Prerequisites

2. (a) Organize the following structures from largest to smallest: organ,
   chromosome, organism, nucleus, tissue, DNA molecule, cell, gene.
   (b) Copy Figure 2. Use the listed structures in (a) as labels for your diagram.


3. If a human muscle cell contains 46 chromosomes, indicate the number of
   chromosomes that you would expect to find in the cells shown in Figures 3, 4 , 5 ,
   and 6 , on the next page.

Figure 1

1

4

5

2

3

Figure 2

http://www.science.nelson.com GO